24CSM01T-I/ST

Memory IC Overview

The Microchip Technology 24CSM01T-I/ST is a 1-Mbit (131,072 x 8 bit) serial EEPROM featuring an I²C interface with High-Speed mode support up to 3.4 MHz. It operates within a voltage range of 1.7V to 5.5V and supports industrial temperatures from -40°C to +85°C. The device includes a built-in 128-bit unique serial number, enhanced software write protection, and Error Correction Code logic for data integrity.

Memory IC Feature Summary

• High-speed I²C communication supporting Standard, Fast, Fast Mode Plus, and High-Speed modes up to 3.4 MHz
• Integrated security register containing a factory-programmed 128-bit globally unique serial number
• Built-in Error Correction Code logic capable of correcting single-bit read errors within four-byte blocks
• Versatile data protection via hardware Write-Protect pin or configurable enhanced software write protection

Memory IC Applications

• Industrial control systems requiring reliable nonvolatile memory storage
• Automotive applications utilizing AEC-Q100 qualified components
• Consumer electronics needing device identification and serialization
• Embedded systems requiring secure configuration parameter storage

Memory IC Procurement Notes

Verify the specific suffix 'I/ST' corresponds to the Industrial temperature grade (-40°C to +85°C) and TSSOP package. Confirm that the ordering quantity aligns with manufacturer specifications for tape and reel packaging. Ensure compatibility with the host system's I²C voltage levels and pull-up resistor requirements for the selected clock frequency.

Memory IC Selection Notes

Select this component when high-density storage combined with unique device identification is required. The inclusion of ECC logic makes it suitable for environments where data corruption risks are present. Consider the enhanced software write protection features if hardware pin management is constrained or if granular zone protection is necessary for critical data segments.

Memory IC Part Context

This part belongs to the 24CSM01 family of serial EEPROMs manufactured by Microchip Technology. It is designed as a drop-in replacement for legacy devices while offering advanced features like high-speed operation and integrated security registers. The 'T' indicates tape and reel packaging, and 'ST' denotes the 8-lead TSSOP package type.

Memory IC Replacement Considerations

Direct replacements include other 24CSM01 variants with different package options such as MSOP, SOIC, or UDFN. Cross-vendor equivalents may exist but require verification of pinout compatibility, voltage ranges, and I²C timing parameters to ensure functional equivalence in the target application.